Updated rdesktop packages has been released for Debian GNU/Linux 8 LTS to address a regression which broke RDP protocol negotiation
Package : rdesktopRdesktop Regression Update for Debian 8 LTS
Version : 1.8.6-0+deb8u2
Debian Bug : 930511
The update for rdesktop released as 1.8.6-0+deb8u1 introduced a
regression which broke RDP protocol negotiation. Updated rdesktop
packages are now available to correct this issue.
For Debian 8 "Jessie", this problem has been fixed in version
1.8.6-0+deb8u2.
We recommend that you upgrade your rdesktop packages.
For the detailed security status of rdesktop please refer to its
security tracker page at:
https://security-tracker.debian.org/tracker/rdesktop
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS